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how I get ssc HD all paper in hindi medium?

I have started preparing for CAT from 1st June and I want to know the plan in which I should be studying given that I have a lot to cover in a very less time .

what is SSC

how to see mock test answer

Let A,B,C be three positive integers such that the sum of A and the mean of B&C is 5.
also,, the sum of B and the mean of A&C is 7.
what is the sum of A and B ?

√x+1/√x=7 then x2+1/x2

since cat 2020 was conducted for 2 hours, why aren't the mocks as per that time duration? What is the point of taking it for 3 hours now?

The ratio of time taken by A and B together to B alone to do a piece of work is 3:5 . what is the ratio of A's efficiency to A's and B's together efficiency

there are two positive numbers.Each was increased by 30 and then by same percentage as it was increased the first time . after the second increase the value of each no. is 147 . find the difference between the two numbers.

How to find number of integral solutions of equation:
a + b + c + d = 30
given that 0<=(a,b,c)<=15 ?